Alert archive / Mississippi / Tornado Warnings in 2021
Tornado Warning 5, NWS Memphis, TN
NWS Memphis, TN issued this tornado warning at Mar 17, 2021, 7:38 PM CDT for Itawamba County, Lee County, Monroe County, Mississippi. It was in force for 10 min. 6 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 17, 2021, 7:38 PM CDT (00:38 UTC)
- Expired
- Mar 17, 2021, 7:48 PM CDT
- In force
- 10 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Itawamba County, MS, Lee County, MS, Monroe County, MS
The radar
The Columbus AFB radar (KGWX), 38 km from the middle of the area, began a volume at 00:42 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 17, 7:39 PM CDT | TORNADO | 1 Sw Nettleton, MS | EF0 TORNADO DEVELOPED JUST SOUTHWEST OF NETTLETON IN EXTREME NORTHWEST MONROE COUNTY. PATH WAS INTERMITTENT. MOST OF THE DAMAGE WAS CONFINED TO TREES WITH THE TORNADO LIFTING IN SOUTHEAST LEE COUNTY. |
| Mar 17, 7:42 PM CDT | TSTM WND DMG | Nettleton, MS | SEVERAL TREES DOWN ON A FEW ROADS IN NETTLETON.MAPLE ROAD AND BENTON STREET AND A FEW OTHER ROADS. |
| Mar 17, 7:45 PM CDT | TSTM WND DMG | Ne Nettleton, MS | SEVERAL TREES DOWN BETWEEN NETTLETON AND RICHMOND ON HIGHWAYS 452 AND 1411. |
| Mar 17, 7:45 PM CDT | TSTM WND DMG | Ne Nettleton, MS | SEVERAL TREES DOWN BETWEEN NETTLETON AND RICHMOND ON HIGHWAYS 452 AND 1411. |
| Mar 17, 7:48 PM CDT | TSTM WND DMG | 4 E Verona, MS | SEVERAL TREES DOWN IN RICHMOND. |
| Mar 17, 7:48 PM CDT | TSTM WND DMG | 4 E Verona, MS | SEVERAL TREES DOWN IN RICHMOND |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 17, 7:07 PM CDT | Tornado Watch | SPC | 3 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 0.6 hours before the alert went out and 144 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 959 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 873 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 133 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.3
The text
As transmitted.
146
WFUS54 KMEG 180038
TORMEG
MSC057-081-095-180115-
/O.NEW.KMEG.TO.W.0005.210318T0038Z-210318T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
738 PM CDT Wed Mar 17 2021
The National Weather Service in Memphis has issued a
* Tornado Warning for...
West central Itawamba County in northeastern Mississippi...
Southeastern Lee County in northeastern Mississippi...
Northwestern Monroe County in northeastern Mississippi...
* Until 815 PM CDT.
* At 738 PM CDT, doppler radar indicated a severe thunderstorm
producing a tornado was located near Okolona, moving northeast at
40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Tombigbee State Park, Shannon, Plantersville, Mantachie, Nettleton,
Skyline, Mooreville, Dorsey, Eggville, Ballardsville and Richmond.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a storm shelter or an interior room on the
lowest floor of a sturdy building. Avoid windows. If you are
outdoors, in a mobile home, or in a vehicle, move to the closest
substantial shelter and protect yourself from flying debris.
&&
LAT...LON 3399 8872 3402 8872 3436 8862 3431 8845
3397 8866
TIME...MOT...LOC 0038Z 204DEG 35KT 3403 8868
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$1 follow-up statement
665
WWUS54 KMEG 180048
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
748 PM CDT Wed Mar 17 2021
MSC057-081-095-180057-
/O.CAN.KMEG.TO.W.0005.000000T0000Z-210318T0115Z/
Itawamba MS-Lee MS-Monroe MS-
748 PM CDT Wed Mar 17 2021
...THE TORNADO WARNING FOR WEST CENTRAL ITAWAMBA...SOUTHEASTERN LEE
AND NORTHWESTERN MONROE COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until midnight CDT for northeastern
Mississippi.
Remember, a Severe Thunderstorm Warning still remains in effect for
Lee and Itawamba counties.
LAT...LON 3399 8872 3402 8872 3436 8862 3431 8845
3397 8866
TIME...MOT...LOC 0045Z 204DEG 35KT 3412 8863
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 7:17 PM CDT | Severe Thunderstorm Warning | MEG | Chickasaw, Itawamba, Lee, Monroe, Pontotoc | 43 min |
| Mar 17, 7:35 PM CDT | Flash Flood Warning | MEG | Itawamba | 2 hr |
| Mar 17, 7:44 PM CDT | Severe Thunderstorm Warning | MEG | Itawamba, Lee, Monroe, Prentiss, Tishomingo | 31 min |
| Mar 17, 8:24 PM CDT | Areal Flood Advisory | MEG | Chickasaw, Itawamba, Lee, Monroe, Pontotoc | 89 min |
| Mar 17, 8:45 PM CDT | Flash Flood Warning | MEG | Itawamba, Prentiss, Tishomingo | 69 min |
| Mar 17, 9:10 PM CDT | River Flood Warning | MEG | Lowndes, Monroe | 4 days |
Nearby
Tornado Warnings in Mississippi, 2021Every tornado warning in 2021Tornadoes in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.